# The tri-state captures boolean values with the additional state of unknown

int8 val

# enumerated values

# Unknown or unavailable 
int8 UNKNOWN=-1  

# High state                       
int8 TRUE=1
int8 ON=1
int8 ENABLED=1
int8 HIGH=1
int8 CLOSED=1

# Low state
int8 FALSE=0
int8 OFF=0
int8 DISABLED=0
int8 LOW=0
int8 OPEN=0

